HP StoreAll Storage - Manual (Page 7)

13 Using data tiering.................................................................................108
Overview............................................................................................................................108
Moving files between tiers.................................................................................................108
Writing a rule to implement a policy...................................................................................108
Tiered file systems.................................................................................................................109
Creating a file system that uses data tiering.........................................................................109
Expanding a file system....................................................................................................110
Allocation policy..............................................................................................................110
Managing a tiered file system and tiering policy.......................................................................111
Assigning segments to tiers...............................................................................................111
Removing tier assignments................................................................................................111
Deleting a tier.................................................................................................................111
Listing tier information.......................................................................................................111
Listing tiering policy information.........................................................................................111
Deleting a tiering policy rule.............................................................................................112
Starting and stopping a tiering operation............................................................................112
Reviewing tiering job status...............................................................................................112
Writing tiering rules..............................................................................................................112
Operators and date/time qualifiers....................................................................................112
Rule keywords.................................................................................................................113
Migration rule examples...................................................................................................114
Ambiguous rules..............................................................................................................114
14 Using file allocation..............................................................................116
Overview............................................................................................................................116
File allocation policies......................................................................................................116
How file allocation settings are evaluated...........................................................................117
Using hostgroups for file allocation settings.........................................................................117
When file allocation settings take effect on X9000 clients......................................................117
Guidelines for using file allocation CLI commands................................................................117
Setting file and directory allocation policies.............................................................................117
Setting a file allocation policy............................................................................................118
Setting a directory allocation policy...................................................................................118
Setting segment preferences...................................................................................................118
Creating a pool of preferred segments................................................................................118
Restoring the default segment preference.............................................................................119
Tuning allocation policy settings.............................................................................................119
Listing allocation policies.......................................................................................................119
15 Support and other resources...................................................................120
Contacting HP......................................................................................................................120
Related information...............................................................................................................120
HP websites.........................................................................................................................120
Subscription service..............................................................................................................120
Glossary..................................................................................................121
Index.......................................................................................................123
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